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近年来,国内外在厚壁炮钢的生产与科研中进行了大量的工作,概括起来有: (1) 大口径厚壁身管全长机械性能的变化; (2) 合金元素对炮钢的强度和韧性的影响; (3) 炮钢的显微组织和机械性能的关系; (4) 非金属夹杂物和有害杂质元素对炮钢机械性能的影响;
In recent years, a great deal of work has been done in the production and research of thick-gauge gun steel at home and abroad, which can be summed up as follows: (1) the change of the mechanical properties of the full-length heavy wall thick tube; (2) Strength and toughness; (3) the relationship between the microstructure and mechanical properties of gun steel; (4) the influence of non-metallic inclusions and unwanted impurity elements on the mechanical properties of gun steel;